Lessons Learned, Headquarters, 11th Combat Aviation Group Open PDF Document Details Document Type Technical Report Publication Date May 10, 1972 Accession Number AD0524108 Entities Organizations Adjutant General's Corps Tags Communities of Interest Air Platforms Biomedical Human Systems Weapons Technologies DTIC Thesaurus Topics Air Defense Air Force Aircrafts Army Army Aviation Artillery Attack Helicopters Emergencies Enlisted Personnel Flight Training Guide Vanes Helicopters Landing Fields Lessons Learned Small Arms United States Warfare